Push to GitHub container registry on a pushed tag.

Author: tech10

.github/workflows/docker.yml

@@ -1,7 +1,8 @@
 name: Publish Docker image
 on:
-  release:
-    types: [published]
+  push:
+    tags:
+      - 'v*'
 jobs:
   push_to_registry:
     name: Push Docker image to GitHub Packages